DIY音乐频谱显示

上传者: jinlei198203 | 上传时间: 2019-12-21 20:00:20 | 文件大小: 2MB | 文件类型: rar
用51单片机DIY音频频谱显示(使用A/D转换器对输入的音频信号采样以后,进过FFT变换,然后取某些频率项的幅值,量化显示,驱动LED点阵,点亮相应的LED灯)

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评论信息

  • 那年春天,你是我同桌 :
    还可以用,试了
    2014-08-09
  • ting100 :
    一时兴起,下来玩玩。没成功
    2014-08-02
  • xiaofeige008 :
    有代码,有原理图,不错
    2013-11-29
  • a10002 :
    好用,我下了好多的来参考。
    2013-11-05
  • joice5566 :
    没有注释看不懂引脚怎么定义的
    2013-08-31

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